This happened last week this same time. I was driving at about 45 and I lose a little power, the truck starts to run rough and will only take a little bit of fuel and quits running after that. I'm thinking fuel filter. I installed a new filter runs but rough. I drive it home and it is running so rough my wife can see my rear view mirror shaking and she is following in her car. I make it to the driveway and it dies. I log on to the foums and start to read.
The next day it cranks and runs rough with a little white smoke and makes the barn out back 100 FT. I pulled the new fuel roll the key over to check for fuel in the bowl, lots of in the bowl. I changed the oil, had just over 5k on it and maybe a Qt or two low. The thing fires right up no missing or rough running. Runs great. Drove it all week no problems, until today.

Here are are few things:

Just below a 1/4 of fuel, same as last week it will go to lower before the light comes on.

Lots of bubbles in the fuel bowl when I checked.

When I open the bleeder valve on the fuel bowl lots on air and fuel, It sprays everywhere under the truck with lots of pressure. like from an air hose.

The oil is still full with a few bubbles on the stick.

I'm thinking something around the fuel pickup may have come loose and it picking up air.

I have dropped the tank before cause of bad fuel with trash in it. About two years ago.

my pick up foot fell off in my tank. It would shut off at 1/4 tank because it would no longer pick up the fuel. Once I pulled the tank I found that the foot had been beat and decentergrated to a fine plastic material. It had clogged my pick up filters pretty bad.

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